To add a Barclay's UK account:
➡️ 1st field: Surname
➡️ 2nd field: Membership (12 digits)
or Card Number (16 digits)
or Sort code and Account Number (14 digits)
➡️ 3rd field: Password (letters only) + space + Passcode (5 digits)
Don't have your memorable/passcode yet? Log in to Barclays UK's site:
➡️ Go to the top right blue box
➡️ Click the arrow
➡️Click My details > Change log-in preference.